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Ellen Martin

Vice President, Impact

Closed Loop Partners


Closed Loop Fund is an impact investment fund dedicated to strengthening infrastructure for circular supply chains in North America. The Fund aims to invest $100M by 2025. To date, Closed Loop Fund has helped unlock $200M in combined capital to more than 20 projects, which collectively have already reduced or avoided 1 million tons of GHG emissions to date. As Vice President for Impact and Strategic Initiatives, Ellen tracks progress and impact of the Closed Loop portfolio and generates actionable insights for partners, investors, municipalities, and industry. She is also manages deal flow and monitoring of the portfolio. In 2017, she led research on PET, glass, and the capital landscape for circular infrastructure in the US.

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